-99.25% is the change from 402 to 3
Calculation steps:
[( 3 - 402 ) ÷ 402] x 100 = -99.25%
Formula
Percentage change = [(3 - 402) / 402] x 100
Subtract the new number by the original number
3 - 402 = -399
-399 ÷ 402 = -0.9925373134328358
-0.9925373134328358 x 100 = -99.25%